Product Info

LTE Standard Module Series
EG91 Hardware Design
EG91_Hardware_Design 6 / 96
3.15. STATUS ..................................................................................................................................... 51
3.16. ADC Interface ............................................................................................................................ 51
3.17. Behaviors of RI .......................................................................................................................... 52
3.18. USB_BOOT Interface ................................................................................................................ 53
4 GNSS Receiver ..................................................................................................................................... 55
4.1. General Description ................................................................................................................... 55
4.2. GNSS Performance ................................................................................................................... 55
4.3. Layout Guidelines ...................................................................................................................... 56
5 Antenna Interfaces ............................................................................................................................... 57
5.1. Main/Rx-diversity Antenna Interfaces ....................................................................................... 57
5.1.1. Pin Definition .................................................................................................................... 57
5.1.2. Operating Frequency ....................................................................................................... 57
5.1.3. Reference Design of RF Antenna Interface .................................................................... 58
5.1.4. Reference Design of RF Layout ...................................................................................... 59
5.2. GNSS Antenna Interface ........................................................................................................... 61
5.3. Antenna Installation ................................................................................................................... 62
5.3.1. Antenna Requirement ...................................................................................................... 62
5.3.2. Recommended RF Connector for Antenna Installation .................................................. 63
6 Electrical, Reliability and Radio Characteristics ............................................................................. 65
6.1. Absolute Maximum Ratings....................................................................................................... 65
6.2. Power Supply Ratings ............................................................................................................... 65
6.3. Operation and Storage Temperatures ...................................................................................... 66
6.4. Current Consumption ................................................................................................................ 67
6.5. RF Output Power ....................................................................................................................... 75
6.6. RF Receiving Sensitivity ............................................................................................................ 76
6.7. Electrostatic Discharge .............................................................................................................. 79
6.8. Thermal Consideration .............................................................................................................. 79
7 Mechanical Dimensions ...................................................................................................................... 81
7.1. Mechanical Dimensions of the Module ..................................................................................... 81
7.2. Recommended Footprint ........................................................................................................... 83
7.3. Top and Bottom Views of the Module ....................................................................................... 84
8 Storage, Manufacturing and Packaging ............................................................................................ 85
8.1. Storage....................................................................................................................................... 85
8.2. Manufacturing and Soldering .................................................................................................... 86
8.3. Packaging .................................................................................................................................. 87
9 Appendix A References ....................................................................................................................... 89
10 Appendix B GPRS Coding Schemes ................................................................................................. 93
11 Appendix C GPRS Multi-slot Classes................................................................................................ 94
12 Appendix D EDGE Modulation and Coding Schemes ..................................................................... 96